opteka sb-1 mini universal studio soft box flash diffuser for the nikon sb-900 sb-800 sb-700 sb-600 sb-400 sb-700 sb-900 sb-910 flash units - Walmart.com
Nikon SB-400 Flash Review | Happy
Nikon SB-400 Review
Nikon SB 400 Speedlight Demo - YouTube
Nikon SB-400 AF Speedlight Flash for Nikon Digital SLR Cameras - Walmart.com
Nikon SB-400 Speedlight Flash With Carry Case & Instructions | eBay
Nikon SB-400
Nikon SB-400
Nikon SB-400
Used Nikon SB-400 Speedlight Shoe Mount Flash SB400 in 'Excellent' condition
Nikon Speedlight SB-400 Shoe Mount Flash for Nikon used 718122185917 | eBay
Best Buy: Nikon Speedlight AF Flash Light SB-400
Nikon SB-400 AF Speedlight Flash Unit for Nikon Digital SLR Cameras -T